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Math Mammoth
Fractions, Percents, and Decimals
For this percents activity, learners complete 3 charts in which percents, decimals and fractions are converted. Students also solve 20 problems with the changing of percents to decimals or fractions.
Curated OER
Bits and Pieces - More About Percents - Online Manipulatives
In this online percentages worksheet, students access the Library of Virtual Manipulatives web site and open the percentage tool. They use the online tool to complete 8 multi-step questions making graphical representations and finding...
Curated OER
Solve for Scale Factors Using Proportions
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
Curated OER
Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion instructional activity, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a...
Curated OER
Equivalent Proportions
In this equivalent proportion instructional activity, students identify ratios written in three different forms (with a colon, with the word "to" and as a fraction). Students write the ratios as a proportion and then determine their...
Curated OER
Missing Proportions
In this missing proportion activity, students solve for a missing variable to create a true statement. The two-step process of cross-multiplication and division may be used to solve given ratios. This one-page activity contains ten...
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Equivalent Ratios
In this equivalent ratios worksheet, students solve 4 problems in which equivalent ratios are found by completing a ratio table. Students multiply each term of the fraction by the same number.
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Direct Proportion
In this direct proportion activity, students read through an example problem and 2 practice questions on how to use direct proportions. Then, students use direct proportions to solve 20 additional questions.
Curated OER
How Far Can You Go On a Tank Of Gas?
Students calculate the distance they can travel on a tank of gas. In this algebra lesson, students use ratio and proportion to solve word problems. They graph their results and discuss their findings with the class.
Illustrative Mathematics
Running at a Constant Speed
The learner must use the given constant speed to find the unit rate. A table is made in order to relate the speed to the time and the distance. From the table, learners are able to see the unit rate in miles per minute and miles per...
Curated OER
Ratio and Unitary Methods
In this ratios instructional activity, students solve 4 short answer problems. Students determine the number of girls/boys and oranges/water given a ratio.
NASA
Lunar Colonization
A five-lesson unit challenges teams to design a complex to allow people to colonize the Moon. The teams first work in order to understand the challenge before becoming experts. Expert teams learn about different aspects needed to survive...
Curated OER
Ratios
Sixth graders pariticipate in a lesson that focuses on the finding of a ratio and using it to set up a proportion in realtionship to creating a scale drawing. This is done using given problems. It would be valuable for students to have...
Curated OER
Using Proportions
In this using proportions worksheet, 10th graders solve 9 various types of problems that include two word problems suing proportions. First, they use the table to find the ratios of each and express each ratio as a decimal rounded to...
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"How Divine Is My Proportion?"
Eighth graders explore the concept of the divine proportion/golden ratio. In this Fibonacci Sequence exploratory lesson, 8th graders measure the length and width of various objects to see which items have a divine proportion. Students...
Curated OER
Ratio, Proportion And Percent Worksheet
In this math instructional activity, students examine the answers to a formal assessment focusing on the concepts of ratio, proportion, and percent.
Curated OER
Proportions
Pupils study proportions. In this mathematics instructional activity, students measure their body length, head length, and ratio of their body, write their findings on a group chart, and discuss how a person's head size or arm span are...
Curated OER
Ratio, Proportion And Percent
In this math worksheet, students evaluate and compare the ratios. They also compare the fractions by solving the proportions.
Curated OER
Atlatl Lessons Grade 4-12
Learners experiment with velocity, ratios, and rates. In this data management lesson, students throw a dart with and without using an atlatl and collect and record various data. Learners construct ratios based on the data and determine...
Curated OER
Proportions
In this proportion instructional activity, students identify equivalent fractions and solve proportions. This one-page instructional activity contains ten problems.
Curated OER
Applications, Proportions, and Problem Solving
In this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
Curated OER
Solving Problems Using Equivalent Ratios
In this equivalent ratios worksheet, students solve word problems when given an equivalent ratio of the answer. Students complete 7 problems.
Curated OER
Unit 5: Worksheet 4 - Proportion
For this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...